00-1210 Tester
WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.
0495430 001210 Tester MW
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(Exhaust-gas test universal adjustment unit) Disturbance air valves in case [Discontinued]